User Marla

56 votes

Accepted

How to choose a flyback diode for a relay?

answered May 15, 2014 at 23:54

18 votes

Can I replace multiple NPN transistors with some kind of IC?

answered Jul 11, 2016 at 14:17

16 votes

Accepted

Can I use a UA741 here?

answered Feb 18, 2016 at 15:49

13 votes

According to my understanding, this induction heater should be melted, but it's not. Why not?

answered Mar 27, 2023 at 12:26

11 votes

Accepted

Can an oil bath replace a heatsink and fan?

answered Mar 2, 2016 at 15:03

10 votes

What to make with hundreds of 555 chips

answered Apr 10, 2018 at 16:34

8 votes

Circuit board without EDA

answered Jul 1, 2016 at 14:31

8 votes

Accepted

FCC regulations for induction furnace

answered Jan 12, 2016 at 15:05

8 votes

Why do we need a bench electronic load equipment and can't just rely on a potentiometer instead?

answered Apr 14, 2023 at 22:51

7 votes

What is the difference between driving a MOSFET gate and an IGBT gate?

answered Feb 25, 2016 at 14:50

7 votes

Accepted

Will an inductor wound using wire of 0.6438 mm (22 AWG) be close enough to 0.508 mm (25 SWG) for a neglectable difference?

answered Jul 18, 2016 at 23:30

7 votes

Why isn't there a non-conducting core wire for high-frequency coil applications

answered Feb 28, 2019 at 22:12

7 votes

Accepted

How does a dead battery look in a circuit?

answered Nov 21, 2015 at 21:10

6 votes

Can anyone identify the microcontroller on an HC-SR04

answered Jun 1, 2014 at 15:37

6 votes

Can a "distributed gap" powdered-iron or ferrite toroidal core be used for a flyback converter's coupled inductor?

answered Dec 30, 2015 at 4:59

5 votes

Mains Linear Power Supply Protection

answered Dec 30, 2015 at 2:43

5 votes

TVS diode dissipation help

answered May 16, 2014 at 17:46

5 votes

Why have a small neon lamp in power supply input circuitry?

answered May 22, 2014 at 15:17

5 votes

555 IC - Transistor Tester

answered May 1, 2019 at 13:26

5 votes

Determining an industrial electromagnet coil's number of turns and wire diameter, etc

answered Oct 1, 2021 at 15:45

5 votes

Better options for induction coils than water-cooled copper

answered Aug 1, 2016 at 16:53

5 votes

What capacitor type is best for low tolerance and thermal stability?

answered Aug 3, 2016 at 23:57

5 votes

Accepted

Are RF shields necessary?

answered Jan 18, 2016 at 16:14

4 votes

How to design a circuit with array of amplifiers?

answered Jan 29, 2016 at 15:09

4 votes

Wires from car battery to solenoid catching fire after connecting a second solenoid

answered Jun 18, 2016 at 14:19

4 votes

Can PC RCA jacks be used for ADC?

answered Feb 16, 2016 at 16:10

4 votes

What is the common name for this seal-in relay?

answered May 1, 2019 at 18:13

4 votes

Accepted

Induction heating

answered Jan 6, 2019 at 21:48

4 votes

Measuring small inductances

answered May 29, 2014 at 14:15

3 votes

TVS specification understanding

answered May 4, 2014 at 18:27

Stack Exchange Network

157 Answers

How to choose a flyback diode for a relay?

Can I replace multiple NPN transistors with some kind of IC?

Can I use a UA741 here?

According to my understanding, this induction heater should be melted, but it's not. Why not?

Can an oil bath replace a heatsink and fan?

What to make with hundreds of 555 chips

Circuit board without EDA

FCC regulations for induction furnace

Why do we need a bench electronic load equipment and can't just rely on a potentiometer instead?

What is the difference between driving a MOSFET gate and an IGBT gate?

Will an inductor wound using wire of 0.6438 mm (22 AWG) be close enough to 0.508 mm (25 SWG) for a neglectable difference?

Why isn't there a non-conducting core wire for high-frequency coil applications

How does a dead battery look in a circuit?

Can anyone identify the microcontroller on an HC-SR04

Can a "distributed gap" powdered-iron or ferrite toroidal core be used for a flyback converter's coupled inductor?

Mains Linear Power Supply Protection

TVS diode dissipation help

Why have a small neon lamp in power supply input circuitry?

555 IC - Transistor Tester

Determining an industrial electromagnet coil's number of turns and wire diameter, etc

Better options for induction coils than water-cooled copper

What capacitor type is best for low tolerance and thermal stability?

Are RF shields necessary?

How to design a circuit with array of amplifiers?

Wires from car battery to solenoid catching fire after connecting a second solenoid

Can PC RCA jacks be used for ADC?

What is the common name for this seal-in relay?

Induction heating

Measuring small inductances

TVS specification understanding